Cisco ASA (Adaptive Security Appliance): Mehrere Schwachstellen
WID-SEC-2026-0601 · first 05.03.2026 · updated 05.03.2026 · CVSS 8,6
What it is about
Die Cisco ASA Appliance bietet Funktionen zur Sicherung von Anwendungssoftware, wie beispielsweise Firewall oder VPN. Ein Angreifer kann mehrere Schwachstellen in Cisco ASA (Adaptive Security Appliance) ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um Dateien zu manipulieren, und um einen Denial of Service Angriff durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
- Dateien zu manipulieren
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Cisco ASA (Adaptive Security Appliance) <9.20.4.19
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Cisco ASA (Adaptive Security Appliance) 9.20.4.19
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Cisco Security Bulletin vom 2026-03-04 sec.cloudapps.cisco.com
- Cisco Security Bulletin vom 2026-03-04 sec.cloudapps.cisco.com
- Cisco Security Bulletin vom 2026-03-04 sec.cloudapps.cisco.com
CVE: CVE-2026-20009, CVE-2026-20062, CVE-2026-20082
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.